Smart transition of energy automation systems

Smart Transition - future as added value

With your decision for devices of the SIPROTEC 5 series, you have made an important and correct decision. Thanks to their modularity and flexibility, you can adapt the devices intelligently and easily to new requirements and needs without having to make changes, for example, to the line protection in other substations - for us this means Smart Transition.

Smart transition of energy automation systems

Smart transition for line protection

With Smart Transition you can innovate your existing SIPROTEC 4 line protection infrastructure step by step to the latest state of the art - line protection devices of the SIPROTEC 5 series. You can also integrate these into the existing line topology or gradually replace your existing devices.

The current SIPROTEC 5 line protection devices enable mixed operation of both device generations and thus a step-by-step transition from SIPROTEC 4 to SIPROTEC 5.

Example 1 shows four substations with line protection devices that communicate with one another in a ring and a step-by-step transition to SIPROTEC 5. Substation 1 has been innovated with SIPROTEC 5 devices.

The second example shows an expansion of the primary equipment with an additional line end for connecting a renewable energy producer.

Smart transition for central protection

Reduced parallel wiring and backup functionalities save costs, increase availability and you additionally profit from central protection, control and monitoring. This solution is compatible with all relevant process bus standards such as IEC 61850-9-2 and IEC 61869-9.

Benefits

Reduce parallel wiring

Flexible positioning of the merging units depending on the locations of the current and voltage transformers

Central control and monitoring

Easy expansions by adding additional merging units

During commissioning all settings can be done with DIGSI 5 and the IEC 61850 system configurator directly via process bus network.

SIPROTEC 5 merging units handle the back-up protection tasks If the main protection is not available

Smart transition for central plant protection with process bus

Smart transition for central transformer protection

With smart transition for central transformer protection - based on process bus - you profit from central protection, control and monitoring. Reduced parallel wiring and backup functionalities save costs and increase availability. This solution is compatible with all relevant process bus standards such as IEC 61850-9-2 and IEC 61869-9.

Benefits

Reduce time-consuming parallel wiring

Flexible positioning of the merging units depending on the locations of the current and voltage transformers

Appropriate for individual merging units per transformer or on single central merging unit

Central control and monitoring

During commissioning all settings can be done with DIGSI 5 and the IEC 61850 system configurator directly via process bus network

SIPROTEC 5 merging units handle the back-up protection tasks if the main protection is not available

The differential protection principle is based on Kirchhoff's current law. Based on its advantages, it is now used not only in the transmission grid but also more frequently in distribution networks. Thomas Liebach and Andreas Jahr describe the wide application ranges of this protection principle and highlight the advantages of the Siprotec 5 series for modernization measures, among others.

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